Dwyer Explosion-proof Differential Pressure Transmitter, Series 3100
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Series 3100D/3100MP Explosion-Proof Differential Pressure Transmitter

Brand: Dwyer Instruments, LLC
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Mercoid® SERIES 3100 Smart Pressure Transmitter is a microprocessor-based high performance transmitter, which has flexible pressure calibration, push button configuration, and programmable using HART® Communication. 

The Series 3100 is capable of being configured for differential pressure or level applications with the zero and span buttons. A field calibrator is not required for configuration. The transmitter software compensates for thermal effects, improving performance.

EEPROM stores configuration settings and stores sensor correction coefficients in the event of shutdowns or power loss. 

The Series 3100 is FM or ATEX approved for use in hazardous (classified) locations. The 100:1 rangeability allows the smart transmitter to be configured to fit any application.
Features
  • Configurable using zero/span buttons means no calibrator required reducing time to install and running
  • Range-ability and selectable engineering units, allows transmitter to fit many applications reducing the number of different transmitters to meet specifications
  • High accuracy (±0.075%) provides exceptional measurement for insuring tight control and minimizing costly out of specification conditions
  • Automatic sensor temperature compensation improves performance of device for accurate measurement under different operating environments
  • Fail-mode process function stores configuration settings in the event of shutdown or power-loss provides for faster restart to getting application back on-line
  • A HART® Communication programmable device provides a reliable, long-term solution for plant operators who seek the benefits of intelligent devices with digital communication

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Specifications

Brand

Accuracy

  • ± 0.075 % of Full Scale at 20° C (68° F)

Ambient Temperature Range

  • Without LCD: -40° to 85° C (-40° to 185° F)

Approvals & Certifications

  • ATEX
  • CE
  • FM

Burst Pressure

  • psi: 10,000 (kPa: 68,950, bar: 689)

Capillary Length

  • 0 to 20 feet

Damping Adjustment

  • 0.25 to 60 seconds

Diaphragm Material

  • 316L Stainless Steel
  • Hastelloy C-276
  • PTFE
  • Tantalum

Display

  • 5-Digit LCD

Electrical Connectors

  • Screw Terminal
  • Two 1/2” NPT Female Conduit

Enclosure, Body Material

  • 316 Stainless Steel

Environmental Protection

  • IP66
  • NEMA 4X

Fill Material

  • Silicone Oil

Flange Material

  • 316L Stainless Steel

Flange Size - 2” (DN 50)

  • 2” (DN 50) - 150#
  • 2” (DN 50) - 300#
  • 2” (DN 50) - JIS 10K
  • 2” (DN 50) - JIS 20K
  • 2” (DN 50) - PN 10
  • 2” (DN 50) - PN 16
  • 2” (DN 50) - PN 25
  • 2” (DN 50) - PN 40

Flange Size - 3” (DN 80)

  • 3” (DN 80) - 150#
  • 3” (DN 80) - 300#
  • 3” (DN 80) - JIS 10K
  • 3” (DN 80) - JIS 20K
  • 3” (DN 80) - PN 10
  • 3” (DN 80) - PN 16
  • 3” (DN 80) - PN 25
  • 3” (DN 80) - PN 40

Loop Resistance

  • HART Communication: 250 to 500 ohms
  • Operation: 0 to 1500 ohms

Media

  • Compatible Gases
  • Liquids & Gases
  • Steam
  • Vapor

NACE & NIST

  • NIST

NPT Connection

  • 1/4” NPT Female

Output

  • 4-20 mA

Power Requirement

  • 11.9-45 Vdc

Pressure Range

  • bar: 0 to 68.97
  • Inches WC: 0 to 750
  • kPa: 0 to 6,895
  • psi: 0 to 1,000

Pressure Type

  • Differential

Process Temperature

  • -40° to 120° C (-40° to 248° F)

Ratio

  • 100:1 Turn Down

Response Time

  • 0.12 seconds

Stability

  • ± 0.125 % of Full Scale Output/Year

Temperature Effect

  • ± 0.125 % of Span/32° C

Wetted Materials

  • 316L Stainless Steel

  • Flow measurement
  • Level monitoring
  • Filter or pump differential pressure
  • Critical process monitoring

Documentation

Approvals

Catalogs

Manuals

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